#!/bin/sh

# Slackware build script for Ruby 2.0

# Copyright 2013 Daniel Romero <infoslack@gmail.com>, Fortaleza, CE, BRA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=ruby2
VERSION=${VERSION:-2.0.0_p353}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

SRCNAM=ruby
SRCVER=$(echo $VERSION | tr _ - )

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# set any SLKCFLAGS here
if [ "$ARCH" = "i486" ]; then
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
else
  LIBDIRSUFFIX=""
fi

set -eu

if [ ! $UID = 0 ]; then
  cat << EOF
This script must be run as root

EOF
  exit 1
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-$SRCVER
tar xvf $CWD/$SRCNAM-$SRCVER.tar.gz
cd $SRCNAM-$SRCVER

chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
 -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --datadir=/usr/share \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-shared \
  --enable-pthread \
  --disable-install-capi \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

# Maintaining compatibility with another version of Ruby that is already installed
# Remove this block if you want to just keep this version
( cd $PKG/usr/bin
  mv ruby ruby2
  mv rake rake2
  mv irb irb2
  mv gem gem2
  mv erb erb2
  mv rdoc rdoc2
  mv testrb testrb2
  mv ri ri2
)

# Install docs
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  BSDL COPYING* *GPL* ChangeLog LEGAL NEWS README* \
  $PKG/usr/doc/$PRGNAM-$VERSION

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}